Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 41.1, Problem 2CC
Summary Introduction
To explain: Why vitamins are required only in a very small amount.
Concept introduction:
Vitamins are organic molecules and essential nutrient for an organism. Amino acids, vitamins, fatty acids, and minerals are essential nutrients for an organism to perform biological functions. Vitamins are required in a small quantity.
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Chapter 41 Solutions
Campbell Biology
Ch. 41.1 - An animal requires 20 amino acids to make...Ch. 41.1 - Prob. 2CCCh. 41.1 - WHAT IF? If a zoo animal eating ample food shows...Ch. 41.2 - Prob. 1CCCh. 41.2 - In what sense are nutrients from a recently...Ch. 41.2 - Prob. 3CCCh. 41.3 - Explain why a proton pump inhibitor, such as the...Ch. 41.3 - Prob. 2CCCh. 41.3 - Prob. 3CCCh. 41.4 - Prob. 1CC
Ch. 41.4 - What features of a mammal's digestive system make...Ch. 41.4 - WHAT IF? "Lactose-intolerant" people have a...Ch. 41.5 - Explain how people can become obese even if their...Ch. 41.5 - WHAT IF? Suppose you were studying two groups of...Ch. 41.5 - Prob. 3CCCh. 41 - Prob. 41.1CRCh. 41 - Propose an artificial diet that would eliminate...Ch. 41 - Prob. 41.3CRCh. 41 - How does human anatomy indicate that our primate...Ch. 41 - Prob. 41.5CRCh. 41 - Fat digestion yields fatty acids and glycerol....Ch. 41 - The mammalian trachea and esophagus both connect...Ch. 41 - Prob. 3TYUCh. 41 - Prob. 4TYUCh. 41 - Prob. 5TYUCh. 41 - After surgical removal of the gallbladder, a...Ch. 41 - If you were to jog 1 km a few hours after lunch,...Ch. 41 - DRAW IT Create a flowchart to summarize the events...Ch. 41 - EVOLUTION CONNECTION Lizards and snakes cannot...Ch. 41 - SCIENTIFIC INQUIRY In human populations of...Ch. 41 - WRITE ABOUT A THEME: ORGANIZATION Hair is largely...Ch. 41 - SYNTHESIZE YOUR KNOWLEDGE Hummingbirds are well...
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- Test Your Understanding 8. Induced fit means that when a substrate binds to an enzymes active site, (a) it fits perfectly, like a key in a lock (b) the substrate and enzyme undergo conformational changes (c) a site other than the active site undergoes a conformational change (d) the substrate and the enzyme become irreversibly bound to each other (e) c and darrow_forwardSolve all part please.arrow_forwardO Macmillan Learning One way of expressing the rate at which an enzyme can catalyze a reaction is to state its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The table gives the turnover number of four representative enzymes. Enzyme Ribonuclease Substrate RNA Turnover number (per second) 100 fumarate 800 Lactate dehydrogenase lactate 1000 Urease 10,000 Fumarase urea How many molecules of urea can one molecule of urease act on in 25.3 min? urea molecules:arrow_forward
- Why would an enzyme no longer function once it denatures?arrow_forwardImagearrow_forwardBiochemistry: Diagram the biosynthetic pathway from precursors (like amino acids, PRPP, etc.) to dTTP. Provide complete intermediate structures and names (you can use abbreviations for names, e.g., dTTP) but names of enzymes and any cofactor(s)/substrates will suffice.arrow_forward
- A) Myth: Enzymes are specific for one substrate. Fact: Like most enzymes, alliinase can act on multiple different substrates. Explain why most enzymes can act on more than one substrate compound. (Refer to the “Alliin-like Substrates" panel in your answer.)arrow_forwardInquiry and Analysis Do Enzymes Physically Attach to Their Substrates? When scientists first began to examine the chemical activities of organisms, no one knew that biochemical reactions were catalyzed by enzymes. The first enzyme was discovered in 1833 by French chemist Anselme Payen. He was studying how beer is made from barley: First, barley is pressed and gently heated so its starches break down into simple two-sugar units; then yeasts convert these units into ethanol. Payen found that the initial breakdown requires a chemical factor that is not alive and that does not seem to be used up during the process-a catalyst. He called this first enzyme diastase (we call it amylase today). Did this catalyst operate at a distance, increasing the reaction rate all around it, much as raising the temperature of nearby molecules might do? Or did it use physical contact, actually attaching to the molecules whose reaction it catalyzed (its "substrate")? The answer was discovered in 1903 by French…arrow_forwardFill in blanks with increased decreases or levels offarrow_forward
- Select all that apply. Which of the following are not properties of enzymes? not required to sustain the life of an organism sensitive to pH and temperature of their environment able to interact with all compounds or substrates large proteins with a special surface patternarrow_forwardExplain the induced fit model of how enzymes workarrow_forwardPractice Mira Gendy 1 of 1 Directions: This short free-response question requires about 6 minutes to answer. The question is worth 3 points. Read the question carefully and completely. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable. II Substrate Concentration [S] The graph above shows the initial rate of an enzyme-catalyzed reaction at different substrate concentrations in the presence of a constant concentration of the enzyme. Connect the primary structure of the enzyme to its overall shape. I U x X2 5 Initial Rate of Reactionarrow_forward
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